Merge branch '6.0' into 6.1

* 6.0:
  Adding comment about route name

Author: javiereguiluz

security.rst

@@ -1628,6 +1628,7 @@ To enable logging out, activate the  ``logout`` config parameter under your fire
             $mainFirewall = $security->firewall('main');
             // ...
             $mainFirewall->logout()
+                // the argument can be either a route name or a path
                 ->path('app_logout')
 
                 // where to redirect after logout